Submitted by: Mike Marak, Concordia University, Montreal, Quebec, Canada Operating system: TSX+ V6.2 Source language: FORTRAN Software required: TSXLIB Abstract: MAIL is a message handling system for use under TSX+. It allows users registered with the mail system to read their messages or send messages to other registered users. The messages are stored in a file, and users can only read messages that are sent to them. The creation of the mail file and registering users is done by the POSTMN.TSX program. Messages are limited to 1000 bytes maximum, and each user has a total of 2500 bytes of message storage. Documentation is included, as well as a log of a sample session, and a command file to build the mail system. A pre-built mail system is also included, having the mail file as SY:MAIL.XXX.